Identify the equation without completing the square.4x2 - 2x + y + 4 = 0
A. ellipse
B. hyperbola
C. parabola
D. not a conic
Answer: C
Mathematics
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Solve the equation.- 
x = 
- 1
A. - 
B. 
C. - 
D. 
Mathematics
Given the matrices A and B, find the matrix product AB.A = 
, B = 
Find AB.
A. 
B. AB is not defined.
C. 
D. 
Mathematics
Simplify the expression.90
A. 9 B. -1 C. 0 D. 1
Mathematics
Solve the problem.135 students attended an assembly at Piper School. The student enrollment at the school is 540. What percent of the students attended the assembly?
A. 5% B. 25% C. 15% D. 30%
Mathematics